Below are new knowledge base articles published on the week of May 3-9, 2026.
Support Portal login required:
- KB-20902 - NCM : Reclaiming Prism Central Resources After Migrating Intelligent Operations or Self-Service to a Nutanix Cloud Manager (NCM) Appliance
- KB-21005 - NCM : Handling Domain Drift in Restore Validation
- KB-21095 - NCM : Backup restore validation fails with "context deadline exceeded"
- KB-21478 - Investigation and Mitigation Guidance for CVE-2026-31431 on Nutanix Kubernetes Platform (NKP)
- KB-21484 - Investigation and Mitigation Guidance for CVE-2026-31431 on AHV
- KB-21486 - NKP - ceph-cosi-driver pod is in a CrashLoopBackOff state due to a stale cosi.sock file
- KB-21489 - NKP Cluster Creation Fails in Air-Gapped Environments with a Proxy that returns "403 Forbidden" to unavailable resources
- KB-21491 - Prism Central: Investigation and Mitigation Guidance for CVE-2026-31431 on PC
- KB-21492 - Alerts raised after AHV upgrade: "Virtual switch vs0 is in an inconsistent state - Reason: lacp_fallback (False) configured on host does not match with virtual switch (vs0) lacp_fallback (True) config"
- KB-21494 - Investigation and Mitigation Guidance for CVE-2026-31431 on AOS
- KB-21498 - Investigation and Mitigation Guidance for CVE-2026-31431 on Nutanix Files
- KB-21504 - NX-8150-G10: Foundation fails with Intel VMD device count mismatch
- KB-21506 - Nutanix Move - Migration or deletion of source VMs on VMC after migration start may cause migration plan cutover to fail
- KB-21507 - NC2 Azure - Network Controller internal failure rate is excessive alerting due to Azure Policy
- KB-21509 - Data-at-rest encryption task stalls at 99% due to an issue with Extent Group primary replica
- KB-21510 - Investigation and Mitigation Guidance for CVE-2026-31431 (CopyFail) for Nutanix products that use the Service Microservices Platform (SMSP), including Nutanix Objects, Data Lens, Flow Network Security, Nutanix Central, Self-Service,Nutanix Cloud Manager
- KB-21518 - Nutanix Files - Deployment failed in Azure
- KB-21519 - PCVM services fail to start with "Read-only file system" error due to hosting cluster storage exhaustion
- KB-21522 - Operations Dashboard link returns 404 after Prism Central upgrade to 7.5.1.x
- KB-21524 - NC2 - Deployment failing with error Bad Request: Cannot register cluster to the existing PC.
- KB-21531 - Investigation and Mitigation Guidance for CVE-2026-31431 on Data Lens Agent VM and File Analytics
- KB-21534 - The "Restart VMs" task fails on AHV clusters that are running AOS 7.3.1.7 with the "AttributeError: acropolis_restart_best_effort_ha_vms" error
- KB-21536 - Nutanix Files - Continuous cores generated by 'minerva_store' due to issue the 'tld_cache'
- KB-21539 - NCC false-positive nic_link_down_check on Compute-Only nodes
- KB-21541 - Investigation and Mitigation Guidance for CVE-2026-31431 on Witness Service(AHV Metro)
- KB-21542 - Investigation and Mitigation Guidance for CVE-2026-31431 on Witness VM(ESXi Metro/2-node clusters)
Support Portal login not required:
- KB-21286 - Troubleshooting VM console issues with vGPUs enabled
- KB-21300 - Prism Central System Account Passwords UI displays incorrect High Strength Password requirements
- KB-21399 - RBAC Authorization Policy for Projects Not Restricting VM Visibility
- KB-21430 - NKP - Update DNS servers on the NKP cluster
- KB-21472 - ESXi hosts with Intel X520 (ixgben) NIC experience intermittent link loss during vMotion
- KB-21487 - False positive Availability Zone alerts in Prism Central 7.5
- KB-21505 - NDB | MSSQL AAG Provisioning Fails When External IPAM Assigns Additional DHCP IP to VM NIC on Same VLAN
- KB-21511 - Nutanix Collector fails to start with "Port 50051 is already in use" error
- KB-21538 - Security Central Audits and How to Fix Them